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Current research in Computer Vision has shown that Convolutional Neural Networks (CNN) give state-of-the-art performance in many classification tasks and Computer Vision problems. The embedding of CNN, which is the internal representation…

计算机视觉与模式识别 · 计算机科学 2015-08-04 Axel Angel

Convolutions encode equivariance symmetries into neural networks leading to better generalisation performance. However, symmetries provide fixed hard constraints on the functions a network can represent, need to be specified in advance, and…

机器学习 · 计算机科学 2023-10-11 Tycho F. A. van der Ouderaa , Alexander Immer , Mark van der Wilk

Convolutional Neural Networks (CNNs) are a standard approach for visual recognition due to their capacity to learn hierarchical representations from raw pixels. In practice, practitioners often choose among (i) training a compact custom CNN…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Annoor Sharara Akhand

We study the problem of learning equivariant neural networks via gradient descent. The incorporation of known symmetries ("equivariance") into neural nets has empirically improved the performance of learning pipelines, in domains ranging…

机器学习 · 计算机科学 2024-01-04 Bobak T. Kiani , Thien Le , Hannah Lawrence , Stefanie Jegelka , Melanie Weber

Convolutional neural networks (CNNs) have been successfully used in a range of tasks. However, CNNs are often viewed as "black-box" and lack of interpretability. One main reason is due to the filter-class entanglement -- an intricate…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Haoyu Liang , Zhihao Ouyang , Yuyuan Zeng , Hang Su , Zihao He , Shu-Tao Xia , Jun Zhu , Bo Zhang

We consider the problem of metric learning subject to a set of constraints on relative-distance comparisons between the data items. Such constraints are meant to reflect side-information that is not expressed directly in the feature vectors…

机器学习 · 计算机科学 2016-12-06 Ehsan Amid , Aristides Gionis , Antti Ukkonen

Convolutional Neural Network (CNN) features have been successfully employed in recent works as an image descriptor for various vision tasks. But the inability of the deep CNN features to exhibit invariance to geometric transformations and…

计算机视觉与模式识别 · 计算机科学 2015-04-27 Konda Reddy Mopuri , R. Venkatesh Babu

Clifford Group Equivariant Neural Networks (CGENNs) leverage Clifford algebras and multivectors as an alternative approach to incorporating group equivariance to ensure symmetry constraints in neural representations. In principle, this…

机器学习 · 计算机科学 2025-06-11 Riccardo Ali , Paulina Kulytė , Haitz Sáez de Ocáriz Borde , Pietro Liò

The introduction of convolutional layers greatly advanced the performance of neural networks on image tasks due to innately capturing a way of encoding and learning translation-invariant operations, matching one of the underlying symmetries…

计算机视觉与模式识别 · 计算机科学 2016-12-15 Nicholas Guttenberg , Nathaniel Virgo , Olaf Witkowski , Hidetoshi Aoki , Ryota Kanai

Convolutional Neural Networks (CNNs) have proven to be highly effective in solving a broad spectrum of computer vision tasks, such as classification, identification, and segmentation. These methods can be deployed in both centralized and…

Convolution neural networks (CNNs) and Transformers have their own advantages and both have been widely used for dense prediction in multi-task learning (MTL). Most of the current studies on MTL solely rely on CNN or Transformer. In this…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Yangyang Xu , Yibo Yang , Lefei Zhang

Large receptive field and dense prediction are both important for achieving high accuracy in pixel labeling tasks such as semantic segmentation. These two properties, however, contradict with each other. A pooling layer (with stride 2)…

计算机视觉与模式识别 · 计算机科学 2016-05-25 Jianxin Wu , Chen-Wei Xie , Jian-Hao Luo

Semantic segmentation and instance level segmentation made substantial progress in recent years due to the emergence of deep neural networks (DNNs). A number of deep architectures with Convolution Neural Networks (CNNs) were proposed that…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Pulak Purkait , Christopher Zach , Ian Reid

In today's digital age, Convolutional Neural Networks (CNNs), a subset of Deep Learning (DL), are widely used for various computer vision tasks such as image classification, object detection, and image segmentation. There are numerous types…

机器学习 · 计算机科学 2024-02-29 Abolfazl Younesi , Mohsen Ansari , MohammadAmin Fazli , Alireza Ejlali , Muhammad Shafique , Jörg Henkel

Convolution is the main building block of convolutional neural networks (CNN). We observe that an optimized CNN often has highly correlated filters as the number of channels increases with depth, reducing the expressive power of feature…

计算机视觉与模式识别 · 计算机科学 2020-09-28 Xudong Wang , Stella X. Yu

In the task of Object Recognition, there exists a dichotomy between the categorization of objects and estimating object pose, where the former necessitates a view-invariant representation, while the latter requires a representation capable…

计算机视觉与模式识别 · 计算机科学 2016-04-20 Mohamed Elhoseiny , Tarek El-Gaaly , Amr Bakry , Ahmed Elgammal

Using symmetry as an inductive bias in deep learning has been proven to be a principled approach for sample-efficient model design. However, the relationship between symmetry and the imperative for equivariance in neural networks is not…

机器学习 · 计算机科学 2024-03-25 Sékou-Oumar Kaba , Siamak Ravanbakhsh

Convolutional neural networks (CNNs) have achieved remarkable performance in various fields, particularly in the domain of computer vision. However, why this architecture works well remains to be a mystery. In this work we move a small step…

机器学习 · 计算机科学 2019-05-27 Bing Yu , Junzhao Zhang , Zhanxing Zhu

As a training and analysis strategy for convolutional neural networks (CNNs), we slice images into tiled segments and use, for training and prediction, segments that both satisfy a criterion of information diversity and contain sufficient…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Steven J. Frank , Andrea M. Frank

Invariance to spatial transformations such as translations and rotations is a desirable property and a basic design principle for classification neural networks. However, the commonly used convolutional neural networks (CNNs) are actually…

机器学习 · 计算机科学 2023-06-30 Yihan Wang , Lijia Yu , Xiao-Shan Gao